The "SV" designation indicates the inclusion of the EL1214-SV short sensing probe

For contractors managing hydronic heating systems

always verify the Lennox part number 31L13 and port orientation before installation in non-Lennox equipment

What is the difference between the 5201-002 and the 5201-002BX

Lennox 15B45 Motor 321142-301 The "SV" designation indicates theThe Lennox 15B45 Motor is a high performance direct drive blower motor engineered for specific HVAC applications requiring a reliable 1 2 HP replacement motor. Operating at 220 240V, 1 Phase, this motor delivers 1350 RPM across four distinct speed taps, allowing for precise airflow calibration in various furnace and air handler configurations. Built with a 48 frame diameter, the Lennox replacement part 15B45 features a standard shaft diameter and